<!DOCTYPE html>
<html lang="en">

	<head>
		<meta charset="UTF-8">
		<meta name="viewport" content="width=device-width, initial-scale=1.0">
		<title>Document</title>
		<script src="../js/vue.js"></script>
	</head>

	<body>
		<div id="app">
			<div v-if="!isLogin">
				<a href="javascript:;" @click="onLogin">登录</a> | <a href="javascript:;">注册</a>
			</div>
			<div v-else>
				welcome dingding
				|
				<a href="javascript:;" @click="onLogout">注销</a>
			</div>
		</div>
		<script>
			Vue.createApp({
				data() {
					return {
						isLogin: false,
					}
				},
				methods: {
					onLogin() {
						this.isLogin = true;
					},
					onLogout() {
						this.isLogin = false;
					}
				}
			}).mount("#app");
		</script>
	</body>

</html>